Home / 136,268.39-188,055.81-75,841.58

Finding the Fourth Proportional to 136,268.39, 188,055.81 and 75,841.58

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Solution

The fourth proportional to 136,268.39, 188,055.81 and 75,841.58 is: 104,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,268.39 : 188,055.81 = 75,841.58 : x
  2. Step 2: Convert to fraction form
    136,268.39/188,055.81 = 75,841.58/x
  3. Step 3: Cross multiply
    136,268.39x = 188,055.81 × 75,841.58
  4. Step 4: Simplify right side
    136,268.39x = 14,262,450,228.72
  5. Step 5: Solve for x
    x = 14,262,450,228.72/136,268.39
  6. Step 6: Final answer
    x = 104,664.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.